ASTEROIDEA. (iV, D.) 
Echin. 71 
Isaster boirdi , vide Mediaster. 
Lasiaster , relations uncertain ; L. hispidus ; Verrill (243) p. 198. 
\Lepidaster , maintained, with genotype L. grayi ; Gregory (111) p. 353. 
\ Lepidasteridae , diagnosed as fam. of Cryptozonia ; Gregory (111) p. 352. 
Linckia ehrenbergii , 6-rayed, comet-form, all specimens with 2 madre- 
porites in adjoining interradii, from Zanzibar, colour in life ; Ludwig 
( 158) p. 542. L. guiidingii ; Clark (56) p. 130. L. multiforis ; Bell 
( 32) p. 138. L. multifora , colour in life ; Ludwig (158) p. 542. 
t Lindstromaster, n. g. (p. 346) with genotype Asterias antiqua (Hisinger); 
Gregory (111) p. 347, pi. xvi. 
f Lindstromasterinae, n. subfam. of Palaeasteridae ; Gregory (111) p. 346. 
Litonotaster , n. g., with genotype Pentagonaster intermedins Perr. ; 
Verrill (243) p. 171, pi. xxviii. 
Luidia ciliaris, breeding period, habitat, commensals ; Lo Bianco (147) 
p. 471.- L. clathrata , Bermuda, colour; Clark (56) pp. 118, 130. L. 
sarsi, distribution, habitat, food; Allen (8) p. 463 : breeding period, 
habitat; Lo Bianco (147) p. 471 : vide etiam Bipinnaria. 
Luidiidae , n. fam. = Luidiinae Slad.; Verrill (243) p. 201. 
Marginaster austems, n. sp., W. Indies ; Verrill (243) p. 221. 
Mediaster , redefined (p. 178); M. aequalis , redescribed (p. 179, pi. xxiv); 
M. agassizi , n. sp., W. Indies (p. 181); M. arcuatus (p. 183); M. 
bairdii (p. 181, pis. xxiv, xxvi); M. japonicus (p. 183); M. patagonicus 
(p. 184); M. (?) pedicellaris, notes on a cotype (p. 182); M. roseus 
Alcock 1898, is probably Pseudarchaster (p. 184): Verrill (243). 
Mediasterinae , n. subfam. of Goniasteridae ; Verrill (243) p. 177. 
t Medusaster parvus , n. sp., Pilton beds, N.E. of Harford Landkey, N. 
Devon ; Whidborne (250) p. 205, pi. xxxvii. 
Mithrodia clavigera ; Bell (32) p. 138; Zanzibar; Ludwig (158) p. 543. 
t Monaster, restr. with genotype M. giganteus and made genus of Palaeas- 
terinae , inch also M. stutchburyi ; Gregory (111) p. 345. 
Nanaster , syn. of Stephanasterias (q.v.); A t errill (243) p. 222. 
Nardoa gomophia ?juv., Funafuti, 130 fms.; Hedley (118 a) p. 530. 
N. tuberculata ; Bell (82) p. 138. 
Nereidaster , n. g. vel s.-g., genotype Nymphaster symbolicus Slad., and 
incl. JY. bipunotus Slad.; Verrill (243) p. 186. 
Nymphaster , redefined (p. 184); N. albidus (p. 186); N. arenatus (p. 186); 
N. basihcus (p. 186): Verrill (243). N. bipunctus , see Nereidaster. 
N. jacqueti (Perr.) syn. of N. prehensilis (Perr.) (p. 186); N. protentus 
(p. 186); N. subspinosus (p. 185): Verrill (243). N. symbolicus , see 
Nereidaster. N. ternalis ; Verrill (243) p. 185, pi. xxvi. 
Odontaster, redefined (p. 205); 0. hispidus , redescr. and restr. (p. 206, 
pi. xxix); 0. robustus , n. sp., 368 fms., Martha’s Vineyard (p. 209, 
pi. xxix); 0. setosus, n. sp., 56-400 fms., Martha’s Vineyard (p. 207, 
pi. xxix): Verrill (243). 
Odontasteridae , n. fam. == Gnathasterinae Perr. - Hoplaster ; Verrill (243) 
p. 201. 
Ophidiaster pustidatus, incl. 0. purpureus Perr., fr. Aldabra Id., measure¬ 
ments, few pedicellarise ; Ludwig (158) p. 541. 
t Palaeaster, restr. with genotype P. niagarensis Hall; P. caractaci , n. sp., 
ex Salter MS., Caradoc Sandstone, ?Soudley Quarry, Church Stretton, 
Shropshire [Marshbrook, apud Salter] allied to P. matutina Hall: 
Gregory (111) p. 344. P. clarkei , genotype of Etheridgaster (q.v.). 
P. longimanus , Pilton beds, N. Devon, now first descr. and figd.; 
Whidborne (250) p. 204, pis. xxvi & xxix. 
t Palaeasteridae diagnosed, as fam. of Phanerozonia ; Gregory (111) p. 344. 
\Palasterina, spelling altered by Gregory (111) to Palaeasterina (q.v.): 
vide etiam sub Sturtzaster. 
^Palaeasterina, rediagnosed, with genotype P. primaeva (Forbes); Gregory 
